SB2020122314 - Hardcoded session secret key in Apache Airflow

Description

This security bulletin contains information about 1 vulnerability.

1) Use of hard-coded credentials (CVE-ID: CVE-2020-17526)

CWE-ID: CWE-798 - Use of Hard-coded Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to gain full access to vulnerable application.

The vulnerability exists due to Apache Airflow relies on session management based on the default [webserver] secret_key value. A remote attacker, who successfully authenticated at one website can re-use the same session to authenticate on another unrelated website, if both web servers are configured with the default [webserver] secret_key value.

Remediation

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2020/12/21/1
• https://lists.apache.org/thread.html/rbeeb73a6c741f2f9200d83b9c2220610da314810c4e8c9cf881d47ef%40%3Cusers.airflow.apache.org%3E